According to the CDC (Centers for Disease Control & Prevention):
Drinking water supplies in the United States are among the safest in the world. However, even in the U.S., drinking water sources can become contaminated, causing sickness and disease from waterborne germs, such as Cryptosporidium, E. coli, Hepatitis A, Giardia intestinalis, and other pathogens.Learn More
Battelle Memorial Institute is the world's largest nonprofit research and development organization, with over 22,000 employees at more than 60 locations globally. A 501(c)(3) charitable trust, Battelle was founded on industrialist Gordon Battelle's vision that business and scientific interests can go hand-in-hand as forces for positive change.
Under controlled laboratory conditions, they studied the effects of the efficiency and performance of water using appliances, faucets and fixtures.Learn More